<template>
	<el-container>
		<el-aside width="300px" v-loading="showDicloading">
			<el-container>
				<el-header>
					<el-input
						placeholder="输入关键字进行过滤"
						v-model="dicFilterText"
						clearable
					></el-input>
				</el-header>
				<el-main class="nopadding">
					<el-tree
						ref="dic"
						class="menu"
						node-key="id"
						:data="dicList"
						:props="dicProps"
						:highlight-current="true"
						:expand-on-click-node="false"
						:filter-node-method="dicFilterNode"
						@node-click="dicClick"
					>
						<template #default="{ node, data }">
							<span class="custom-tree-node">
								<span class="label">{{ node.label }}</span>
								<span class="code">{{ data.code }}</span>
								<span class="do">
									<i
										class="el-icon-edit"
										@click.stop="dicEdit(data)"
									></i>
									<i
										class="el-icon-delete"
										@click.stop="dicDel(node, data)"
									></i>
								</span>
							</span>
						</template>
					</el-tree>
				</el-main>
				<el-footer style="height: 51px">
					<el-button
						type="primary"
						size="mini"
						icon="el-icon-plus"
						style="width: 100%"
						@click="addDic"
						>字典分类</el-button
					>
				</el-footer>
			</el-container>
		</el-aside>
		<el-container class="is-vertical">
			<el-header>
				<div class="left-panel">
					<el-button
						type="primary"
						icon="el-icon-plus"
						@click="addInfo"
					></el-button>
					<el-button
						type="danger"
						plain
						icon="el-icon-delete"
						:disabled="selection.length == 0"
						@click="batch_del"
					></el-button>
				</div>
			</el-header>
			<el-main class="nopadding">
				<scTable
					ref="table"
					:apiObj="listApi"
					row-key="id"
					:params="listApiParams"
					@selection-change="selectionChange"
					stripe
					:paginationLayout="'prev, pager, next'"
				>
					<el-table-column
						type="selection"
						width="50"
					></el-table-column>
					<el-table-column label="" width="50">
						<template #default>
							<el-tag class="move" style="cursor: move"
								><i class="el-icon-d-caret"></i
							></el-tag>
						</template>
					</el-table-column>
					<el-table-column
						label="名称"
						prop="name"
						width="150"
					></el-table-column>
					<el-table-column
						label="键值"
						prop="key"
						width="150"
					></el-table-column>
					<el-table-column label="是否有效" prop="yx" width="100">
						<template #default="scope">
							<el-switch
								v-if="scope.row.yx"
								v-model="scope.row.yx"
								@change="changeSwitch($event, scope.row)"
								:loading="scope.row.$switch_yx"
								active-value="1"
								inactive-value="0"
							></el-switch>
						</template>
					</el-table-column>
					<el-table-column
						label="操作"
						fixed="right"
						align="right"
						width="140"
					>
						<template #default="scope">
							<el-button
								type="text"
								size="small"
								@click="table_edit(scope.row, scope.$index)"
								>编辑</el-button
							>
							<el-popconfirm
								title="确定删除吗？"
								@confirm="table_del(scope.row, scope.$index)"
							>
								<template #reference>
									<el-button type="text" size="small"
										>删除</el-button
									>
								</template>
							</el-popconfirm>
						</template>
					</el-table-column>
				</scTable>
			</el-main>
		</el-container>
	</el-container>

	<dic-dialog
		v-if="dialog.dic"
		ref="dicDialog"
		@success="handleDicSuccess"
		@closed="dialog.dic = false"
	></dic-dialog>

	<list-dialog
		v-if="dialog.list"
		ref="listDialog"
		@success="handleListSuccess"
		@closed="dialog.list = false"
	></list-dialog>
</template>

<script>
import dicDialog from "./dic";
import listDialog from "./list";
import Sortable from "sortablejs";

export default {
	name: "dic",
	components: {
		dicDialog,
		listDialog,
	},
	data() {
		return {
			dialog: {
				dic: false,
				info: false,
			},
			showDicloading: true,
			dicList: [],
			dicFilterText: "",
			dicProps: {
				label: "name",
			},
			listApi: null,
			listApiParams: {},
			selection: [],
		};
	},
	watch: {
		dicFilterText(val) {
			this.$refs.dic.filter(val);
		},
	},
	mounted() {
		this.getDic();
		this.rowDrop();
	},
	methods: {
		//加载树数据
		async getDic() {
			var res = await this.$API.system.dic.tree.get();
			this.showDicloading = false;
			this.dicList = res.data;
			//获取第一个节点,设置选中 & 加载明细列表
			var firstNode = this.dicList[0];
			if (firstNode) {
				this.$nextTick(() => {
					this.$refs.dic.setCurrentKey(firstNode.id);
				});
				this.listApiParams = {
					code: firstNode.code,
				};
				this.listApi = this.$API.system.dic.list;
			}
		},
		//树过滤
		dicFilterNode(value, data) {
			if (!value) return true;
			var targetText = data.name + data.code;
			return targetText.indexOf(value) !== -1;
		},
		//树增加
		addDic() {
			this.dialog.dic = true;
			this.$nextTick(() => {
				this.$refs.dicDialog.open();
			});
		},
		//编辑树
		dicEdit(data) {
			this.dialog.dic = true;
			this.$nextTick(() => {
				var editNode = this.$refs.dic.getNode(data.id);
				var editNodeParentId =
					editNode.level == 1 ? undefined : editNode.parent.data.id;
				data.parentId = editNodeParentId;
				this.$refs.dicDialog.open("edit").setData(data);
			});
		},
		//树点击事件
		dicClick(data) {
			this.$refs.table.reload({
				code: data.code,
			});
		},
		//删除树
		dicDel(node, data) {
			this.$confirm(`确定删除 ${data.name} 项吗？`, "提示", {
				type: "warning",
			})
				.then(() => {
					this.showDicloading = true;

					//删除节点是否为高亮当前 是的话 设置第一个节点高亮
					var dicCurrentKey = this.$refs.dic.getCurrentKey();
					this.$refs.dic.remove(data.id);
					if (dicCurrentKey == data.id) {
						var firstNode = this.dicList[0];
						if (firstNode) {
							this.$refs.dic.setCurrentKey(firstNode.id);
							this.$refs.table.upData({
								code: firstNode.code,
							});
						} else {
							this.listApi = null;
							this.$refs.table.tableData = [];
						}
					}

					this.showDicloading = false;
					this.$message.success("操作成功");
				})
				.catch(() => {});
		},
		//行拖拽
		rowDrop() {
			const _this = this;
			const tbody = this.$refs.table.$el.querySelector(
				".el-table__body-wrapper tbody"
			);
			Sortable.create(tbody, {
				handle: ".move",
				animation: 300,
				ghostClass: "ghost",
				onEnd({ newIndex, oldIndex }) {
					const tableData = _this.$refs.table.tableData;
					const currRow = tableData.splice(oldIndex, 1)[0];
					tableData.splice(newIndex, 0, currRow);
					_this.$message.success("排序成功");
				},
			});
		},
		//添加明细
		addInfo() {
			this.dialog.list = true;
			this.$nextTick(() => {
				var dicCurrentKey = this.$refs.dic.getCurrentKey();
				const data = {
					dic: dicCurrentKey,
				};
				this.$refs.listDialog.open().setData(data);
			});
		},
		//编辑明细
		table_edit(row) {
			this.dialog.list = true;
			this.$nextTick(() => {
				this.$refs.listDialog.open("edit").setData(row);
			});
		},
		//删除明细
		async table_del(row, index) {
			var reqData = { id: row.id };
			var res = await this.$API.demo.post.post(reqData);
			if (res.code == 200) {
				this.$refs.table.tableData.splice(index, 1);
				this.$message.success("删除成功");
			} else {
				this.$alert(res.message, "提示", { type: "error" });
			}
		},
		//批量删除
		async batch_del() {
			this.$confirm(
				`确定删除选中的 ${this.selection.length} 项吗？`,
				"提示",
				{
					type: "warning",
				}
			)
				.then(() => {
					const loading = this.$loading();
					this.selection.forEach((item) => {
						this.$refs.table.tableData.forEach((itemI, indexI) => {
							if (item.id === itemI.id) {
								this.$refs.table.tableData.splice(indexI, 1);
							}
						});
					});
					loading.close();
					this.$message.success("操作成功");
				})
				.catch(() => {});
		},
		//提交明细
		saveList() {
			this.$refs.listDialog.submit(async (formData) => {
				this.isListSaveing = true;
				var res = await this.$API.demo.post.post(formData);
				this.isListSaveing = false;
				if (res.code == 200) {
					//这里选择刷新整个表格 OR 插入/编辑现有表格数据
					this.listDialogVisible = false;
					this.$message.success("操作成功");
				} else {
					this.$alert(res.message, "提示", { type: "error" });
				}
			});
		},
		//表格选择后回调事件
		selectionChange(selection) {
			this.selection = selection;
		},
		//表格内开关事件
		changeSwitch(val, row) {
			//1.还原数据
			row.yx = row.yx == "1" ? "0" : "1";
			//2.执行加载
			row.$switch_yx = true;
			//3.等待接口返回后改变值
			setTimeout(() => {
				delete row.$switch_yx;
				row.yx = val;
				this.$message.success(`操作成功id:${row.id} val:${val}`);
			}, 500);
		},
		//本地更新数据
		handleDicSuccess(data, mode) {
			if (mode == "add") {
				data.id = new Date().getTime();
				if (this.dicList.length > 0) {
					this.$refs.table.upData({
						code: data.code,
					});
				} else {
					this.listApiParams = {
						code: data.code,
					};
					this.listApi = this.$API.dic.info;
				}
				this.$refs.dic.append(data, data.parentId[0]);
				this.$refs.dic.setCurrentKey(data.id);
			} else if (mode == "edit") {
				var editNode = this.$refs.dic.getNode(data.id);
				//判断是否移动？
				var editNodeParentId =
					editNode.level == 1 ? undefined : editNode.parent.data.id;
				if (editNodeParentId != data.parentId) {
					var obj = editNode.data;
					this.$refs.dic.remove(data.id);
					this.$refs.dic.append(obj, data.parentId[0]);
				}
				Object.assign(editNode.data, data);
			}
		},
		//本地更新数据
		handleListSuccess(data, mode) {
			if (mode == "add") {
				data.id = new Date().getTime();
				this.$refs.table.tableData.push(data);
			} else if (mode == "edit") {
				this.$refs.table.tableData
					.filter((item) => item.id === data.id)
					.forEach((item) => {
						Object.assign(item, data);
					});
			}
		},
	},
};
</script>

<style scoped>
.custom-tree-node {
	display: flex;
	flex: 1;
	align-items: center;
	justify-content: space-between;
	font-size: 14px;
	padding-right: 24px;
	height: 100%;
}
.custom-tree-node .code {
	font-size: 12px;
	color: #999;
}
.custom-tree-node .do {
	display: none;
}
.custom-tree-node .do i {
	margin-left: 5px;
	color: #999;
	padding: 5px;
}
.custom-tree-node .do i:hover {
	color: #333;
}
.custom-tree-node:hover .code {
	display: none;
}
.custom-tree-node:hover .do {
	display: inline-block;
}
</style>
